Magnetic Island, known to its Indigenous inhabitants as Yunbenun, is an island 8 kilometres (5 mi) offshore from the city of Townsville, Queensland, Australia. This 52 km2 (20.1 sq mi) mountainous island in Cleveland Bay has effectively become a suburb of Townsville, with 2,335 permanent residents. The island is accessible from Townsville Breakwater to Nelly Bay Harbour by ferry. There is a large 39.5 km2 (15.3 sq mi) National Park and bird sanctuary and walking tracks can be taken between the populated bays and to a number of tourist destinations such as the World War II forts.